Another recently introduced signal conditioning circuit for 4-20 mA output, specifically for vibration signals, comes from IMI Sensors – a division of PCB Piezotronics, Inc. Operating from loop-power supplied by a PLC, DCS or SCADA system, the stainless steel housed 682A09 converts the 100 mV/g output from an accelerometer to a 4-20 mA vibration monitoring signal. The converted signal can monitor machine health for early failure detection to avoid costly downtime. The hermetically sealed design has a 2-pin MIL connector input and 3-pin MIL connector output to cope with harsh environments.

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